<template>
  <div class="my-counter">
    <button type="button" class="btn btn-light" @click="change('-')">-</button>
    <input type="number" class="form-control inp" v-model="arr.goods_count" />
    <button type="button" class="btn btn-light" @click="change('+')">+</button>
  </div>
</template>

<script>
export default {
  props: ["arr"],
  watch: {
    "arr.goods_count"(val) {
      if (val <= 1) {
        this.arr.goods_count = 1;
      }
    },
  },

  methods: {
    change(f) {
      if (f === "-") {
        if (this.arr.goods_count <= 1) {
          return;
        }
        this.arr.goods_count--;
      } else {
        this.arr.goods_count++;
      }
    },
  },
};
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn,
  .inp {
    transform: scale(0.9);
  }
}
</style>